LINE of Duty fans fear the season six finale will be the last ever episode as H is unmasked and there's no sign of season seven.
The BBC crime drama added an extra, seventh episode to its sixth series, and Sunday's penultimate show dropped some huge bombshells, paving the way for a stunning climax.
Fans hope this will include the eventual unveiling of 'H', but equally, they are worried that unmasking the villain will mean the end of Line of Duty altogether.
Their fears are also heightened by the fact that a seventh series has yet to be confirmed by the BBC or Line of Duty creator, Jed Mercurio.
Read more on thesun.co.uk